WO2015130057A1 - 전지모듈 - Google Patents

전지모듈 Download PDF

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Publication number
WO2015130057A1
WO2015130057A1 PCT/KR2015/001739 KR2015001739W WO2015130057A1 WO 2015130057 A1 WO2015130057 A1 WO 2015130057A1 KR 2015001739 W KR2015001739 W KR 2015001739W WO 2015130057 A1 WO2015130057 A1 WO 2015130057A1
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WO
WIPO (PCT)
Prior art keywords
housing
electrical terminal
edge
axis
battery module
Prior art date
Application number
PCT/KR2015/001739
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
염주일
장성균
양희국
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201580009851.5A priority Critical patent/CN106030896B/zh
Priority to EP15755619.2A priority patent/EP3096391B1/de
Priority to JP2016553301A priority patent/JP6423890B2/ja
Publication of WO2015130057A1 publication Critical patent/WO2015130057A1/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a battery module.
  • the inventors of the present application have improved the electrical terminals for improved placement of electrical devices such as interconnect boards and wire harnesses that minimize battery system energy by reducing the unnecessary space of the battery system. It has been recognized the need for a battery module comprising a battery cell having an arrangement. Furthermore, the inventors of the present application have recognized that placing the cooling plate in the battery cell such that the electrical terminals are disposed adjacent to the cooling plate results in improved dissipation of thermal energy from the battery module.
  • the present invention aims to solve the technical problem that has been requested from the past.
  • An object of the present invention is to enable an improved arrangement of electrical devices such as an interconnecting board using a battery module having an improved arrangement of electrical terminals and a cooling plate disposed adjacent the electrical terminals, and a battery having an improved heat dissipation effect. To provide a module.
  • the present invention provides a battery module according to an exemplary embodiment.
  • the battery module includes a first battery cell having a first housing and first and second electrical terminals.
  • the first housing is substantially rectangular-shaped and extends along the first axis in the longitudinal direction and along the second axis in the vertical direction.
  • the second axis is substantially perpendicular to the first axis.
  • the first housing includes first, second, third, and fourth ends.
  • the first and second stages extend substantially parallel to the first axis.
  • the third and fourth ends extend substantially parallel to the second axis.
  • the sum of the lengths of the first housing and the first and second electrical terminals in the direction parallel to the first axis is at least twice as long as the length of the first housing in the direction parallel to the second axis.
  • the first electrical terminal extends outward from the third end of the first housing in a direction substantially parallel to the first axis.
  • the first electrical terminal includes first and second edges extending substantially parallel to the first axis. The first edge of the first electrical terminal is located closer to the first end of the first housing than the second edge of the first electrical terminal. The distance from the second end of the first housing to the second edge of the first electrical terminal is greater than the distance from the first end of the first housing to the first edge of the first electrical terminal.
  • the second electrical terminal extends outward from the fourth end of the first housing in a direction substantially parallel to the first axis.
  • the second electrical terminal includes first and second edges extending substantially parallel to the first axis.
  • the first edge of the second electrical terminal is located closer to the first end of the first housing than the second edge of the second electrical terminal.
  • the distance from the second end of the first housing to the second edge of the second electrical terminal is greater than the distance from the first end of the first housing to the first edge of the second electrical terminal.
  • the battery module further includes a cooling fin including a first side positioned adjacent to the first housing of the first battery cell.
  • the battery module further includes a cooling plate coupled to a cooling fin close to the first end of the first housing to cool the cooling fin to lower the temperature level of the first battery cell.
  • FIG. 1 is a schematic diagram of a battery module according to an exemplary embodiment of the present invention.
  • FIG. 2 is a schematic view of a portion of the battery module of FIG. 1;
  • FIG. 3 is a schematic view of another part of the battery module of FIG. 1;
  • FIG. 4 is a cross-sectional view of the battery module of FIG. 1;
  • FIG. 5 is a side view of the battery module of FIG. 1;
  • FIG. 6 is a side view of the battery module of FIG. 1 illustrating a battery cell and a frame member used in the battery module;
  • FIG. 7 is a more detailed view of the battery cell of FIG. 6;
  • FIG. 8 is a side view of another battery cell used in the battery module of Figure 1;
  • FIG. 9 is a schematic view of a cooling plate used in the battery module of Figure 1;
  • FIG. 10 is a cross-sectional view of a portion of the cooling plate of FIG. 9.
  • a battery module 10 according to an exemplary embodiment is shown.
  • An advantage of the battery module 10 is that the battery module has open areas 110, 120 to receive the interconnecting boards 100, 102 such that the battery module 10 has an improved arrangement of electrical terminals. Therefore, the battery module 10 has an improved structural arrangement so that it can be located more easily in the electric vehicle. Further, the battery module 10 uses a cooling plate disposed to be adjacent to the electrical terminals of the battery module 10 for improved heat dissipation from the battery cells in the battery module 10.
  • the battery module 10 includes frame members 20, 22, 24, 26, 28, 30, 32, and 34, battery cells 50, 52, 54, 56, 58, 60, 62 64, 66, 68, 70, 72, 74, 76, 78, 80, interconnection boards 100, 102, cooling fins 106, 108, 110, 112, 114, 116, 118, 120, and cooling plate 124 It is included.
  • Frame members 20-34 are configured to secure battery cells therein.
  • the frame members 20-34 are made of plastic.
  • each of the frame members 20-34 has the same structure as each other.
  • the frame member 20 includes an outer circumferential wall 150 for setting the inner region 152.
  • the outer circumferential wall 150 is substantially rectangular in shape.
  • the outer wall 150 includes first, second, third and fourth wall portions 154, 155, 156 (shown in FIG. 2) and 157 (shown in FIG. 3). Walls 154 and 155 extend substantially parallel to each other. Further, the wall portions 156, 157 are substantially parallel to each other and extend perpendicular to the wall portions 154, 155.
  • the outer wall 150 includes a gap 160 (shown in FIG. 4) extending through the wall portion 154 to receive a portion of the cooling fins 106 therethrough.
  • the wall portion 156 includes grooves 161 and 162 (shown in FIG. 3) extending therethrough to receive electrical terminals, and the wall portion 157 extends through it to receive electrical terminals 163. 164 (shown in FIG. 3).
  • the frame member 22 includes an outer circumferential wall 170 for setting an inner region.
  • the outer circumferential wall 170 is substantially rectangular in shape.
  • the outer circumferential wall 170 includes a gap 180 to receive a portion of the cooling fin 108 therethrough.
  • the frame member 22 is coupled between the frame members 20, 24.
  • the frame member 24 includes an outer circumferential wall 190 for setting the inner region.
  • the outer circumferential wall 190 is substantially rectangular in shape. Further, the outer circumferential wall 190 includes a gap 200 to receive a portion of the cooling fins 110 through it.
  • the frame member 24 is coupled between the frame members 22, 26.
  • the frame member 26 includes an outer circumferential wall 210 for setting the inner region.
  • the outer circumferential wall 210 is substantially rectangular in shape. Further, the outer circumferential wall 210 includes a gap 220 to receive a portion of the cooling fin 112 therethrough. Frame member 26 is coupled between frame members 24 and 28.
  • the frame member 28 includes an outer circumferential wall 230 for setting the inner region.
  • the outer circumferential wall 230 is substantially rectangular in shape.
  • the outer circumferential wall 230 includes a gap 240 to receive a portion of the cooling fins 114 therethrough.
  • Frame member 28 is coupled between frame members 26 and 30.
  • the frame member 30 includes an outer circumferential wall 250 for setting the inner region.
  • the outer circumferential wall 250 is substantially rectangular in shape.
  • the outer circumferential wall 250 includes a gap 260 to receive a portion of the cooling fins 116 therethrough.
  • the frame member 30 is coupled between the frame members 28, 32.
  • the frame member 32 includes an outer circumferential wall 270 for setting the inner region.
  • the outer circumferential wall 270 is substantially rectangular in shape.
  • the outer circumferential wall 270 includes a gap 280 to receive a portion of the cooling fin 118 therethrough.
  • the frame member 32 is coupled between the frame members 30 and 34.
  • the frame member 34 includes an outer circumferential wall 290 for setting the inner region.
  • the outer circumferential wall 290 is substantially rectangular in shape. Further, the outer circumferential wall 290 includes a gap 300 to receive a portion of the cooling fin 120 therethrough.
  • the frame member 34 is coupled to the frame member 36.
  • cooling fins 106, 108, 112, 114, 116, 118, 120 are provided to transfer thermal energy from the battery cells to the cooling plate 124.
  • each of the cooling fins 106-120 has the same structure as each other.
  • each of the cooling fins 106-120 is made of a thermally conductive material such as, for example, aluminum, copper, steel, or the like.
  • the cooling fin 106 includes a first sheet portion 600 and a second sheet portion 602.
  • the first sheet portion 600 is coupled to the end of the second sheet portion 602 and extends substantially perpendicular to the second sheet portion 602.
  • the cross-sectional profiles of the first sheet portion 600 and the second sheet portion 602 are substantially T-shaped.
  • the second sheet portion 602 is positioned into the inner region 152 of the frame member 20 through the gap 160 of the frame member 20.
  • the first sheet part 600 is positioned on the cooling plate 124.
  • the second seat portion 602 includes a first face 604 and a second face 606 positioned opposite the first face 604.
  • the battery cell 50 is positioned opposite the first surface 604 in the inner region 152 of the frame member 20.
  • the battery cell 52 is located in the inner region 152 of the frame member 20 opposite the second surface 604.
  • the cooling fins 106 transfer thermal energy from the battery cells 50 and 52 to the cooling plate 124.
  • the cooling fin 108 includes a first sheet portion 620 and a second sheet portion 622.
  • the first sheet portion 620 is coupled to the end of the second sheet portion 622 and extends substantially perpendicular to the second sheet portion 622.
  • the cross-sectional profiles of the first sheet portion 620 and the second sheet portion 622 are substantially T-shaped.
  • the second sheet portion 622 is positioned into the interior region of the frame member 22 through the gap 180 of the frame member 22.
  • the first sheet portion 620 is positioned on the cooling plate 124.
  • the second seat portion 622 includes a first face 624 and a second face 626 positioned opposite the first face 624.
  • the battery cell 54 is positioned to face the first surface 624 in the inner region of the frame member 22.
  • the battery cell 56 is located opposite the second surface 626 in the inner region of the frame member 22.
  • the cooling fins 108 transfer thermal energy from the battery cells 54 and 56 to the cooling plate 124.
  • the cooling fin 110 includes a first sheet portion 630 and a second sheet portion 632.
  • the first sheet portion 630 is coupled to the end of the second sheet portion 632 and extends substantially perpendicular to the second sheet portion 632.
  • the cross-sectional profiles of the first sheet portion 630 and the second sheet portion 632 are substantially T-shaped.
  • the second seat portion 632 is located into the interior region of the frame member 24 through the gap 200 of the frame member 24.
  • the first sheet portion 630 is positioned on the cooling plate 124.
  • the second seat portion 632 includes a first face 634 and a second face 636 positioned opposite the first face 634.
  • the battery cell 58 is located opposite the first surface 634 in the inner region of the frame member 24.
  • the battery cell 60 is located opposite the second surface 636 in the inner region of the frame member 24.
  • the cooling fins 110 transfer thermal energy from the battery cells 58 and 60 to the cooling plate 124.
  • the cooling fin 112 includes a first sheet portion 640 and a second sheet portion 642.
  • the first sheet portion 640 is coupled to the end of the second sheet portion 642 and extends substantially perpendicular to the second sheet portion 642.
  • the cross-sectional profiles of the first sheet portion 640 and the second sheet portion 642 are substantially T-shaped.
  • the second sheet portion 642 is located into the interior region of the frame member 26 through the gap 220 of the frame member 26.
  • the first sheet portion 640 is positioned on the cooling plate 124.
  • the second seat portion 642 includes a first face 644 and a second face 646 positioned opposite the first face 644.
  • the battery cell 62 is positioned to face the first surface 644 in the inner region of the frame member 26.
  • the battery cell 64 is positioned opposite the second surface 646 in the inner region of the frame member 26.
  • the cooling fins 112 transfer thermal energy from the battery cells 62 and 64 to the cooling plate 124.
  • the cooling fin 114 includes a first sheet portion 650 and a second sheet portion 652.
  • the first sheet portion 650 is coupled to the end of the second sheet portion 652 and extends substantially perpendicular to the second sheet portion 652.
  • the cross-sectional profiles of the first sheet portion 650 and the second sheet portion 652 are substantially T-shaped.
  • the second seat portion 652 is positioned into the interior region of the frame member 28 through the gap 240 of the frame member 28.
  • the first sheet portion 650 is positioned on the cooling plate 124.
  • the second seat portion 652 includes a first face 654 and a second face 656 positioned opposite the first face 654.
  • the battery cell 66 is located opposite the first surface 654 in the inner region of the frame member 28.
  • the battery cell 68 is positioned opposite the second surface 656 in the interior region of the frame member 28.
  • the cooling fins 114 transfer thermal energy from the battery cells 66 and 68 to the cooling plate 124.
  • the cooling fin 116 includes a first sheet portion 660 and a second sheet portion 662.
  • the first sheet portion 660 is coupled to the end of the second sheet portion 662 and extends substantially perpendicular to the second sheet portion 662.
  • the cross-sectional profiles of the first sheet portion 660 and the second sheet portion 662 are substantially T-shaped.
  • the second sheet portion 662 is positioned into the inner region of the frame member 30 through the gap 260 of the frame member 30.
  • the first sheet portion 660 is positioned on the cooling plate 124.
  • the second seat portion 662 includes a first face 664 and a second face 666 positioned opposite the first face 664.
  • the battery cell 70 is positioned to face the first surface 664 in the inner region of the frame member 30.
  • the battery cell 72 is located opposite the second surface 666 in the inner region of the frame member 30.
  • the cooling fins 116 transfer thermal energy from the battery cells 70 and 72 to the cooling plate 124.
  • the cooling fin 118 includes a first sheet portion 670 and a second sheet portion 6 & 2.
  • the first sheet portion 670 is coupled to the end of the second sheet portion 672 and extends substantially perpendicular to the second sheet portion 672.
  • the cross-sectional profiles of the first sheet portion 670 and the second sheet portion 672 are substantially T-shaped.
  • the second sheet portion 672 is positioned into the interior region of the frame member 32 through the gap 280 of the frame member 32.
  • the first seat portion 670 is positioned on the cooling plate 124.
  • the second seat portion 672 includes a first face 674 and a second face 676 positioned opposite the first face 674.
  • the battery cell 74 is positioned opposite the first surface 674 in the inner region of the frame member 32.
  • the battery cell 76 is positioned opposite the second surface 676 in the inner region of the frame member 32.
  • the cooling fins 118 transfer thermal energy from the battery cells 74 and 76 to the cooling plate 124.
  • the cooling fin 120 includes a first sheet portion 680 and a second sheet portion 682.
  • the first sheet portion 680 is coupled to the end of the second sheet portion 682 and extends substantially perpendicular to the second sheet portion 682.
  • the cross-sectional profiles of the first sheet portion 680 and the second sheet portion 682 are substantially T-shaped.
  • the second sheet portion 682 is positioned into the interior region of the frame member 34 through the gap 300 of the frame member 34.
  • the first sheet portion 680 is positioned on the cooling plate 124.
  • the second seat portion 682 includes a first face 684 and a second face 686 positioned opposite the first face 684.
  • the battery cell 78 is positioned opposite the first surface 684 in the inner region of the frame member 34.
  • the battery cell 80 is positioned opposite the second surface 686 in the inner region of the frame member 34.
  • the cooling fins 120 transfer thermal energy from the battery cells 78 and 80 to the cooling plate 124.
  • the cooling plate 124 is provided to extract thermal energy from the cooling fins 106-120 and the battery cells 50-80.
  • the first seat portions of the cooling fins 106-120 are located opposite the cooling plate 124 and are thermally coupled to the cooling plate 124.
  • the cooling plate 124 is coupled to cooling fins 106-120 proximate the bottoms of the housings of the battery cells 50-80 to effectively lower the temperature level of the battery cells 50-80.
  • the cooling plate 124 has a cooling plate housing 800, an inlet 802 and an outlet 804.
  • the cooling plate housing 800 has an inner region 810 for setting the flow path.
  • Inlet 802 and outlet 804 are coupled to cooling plate housing 800 and are in fluid communication with an interior region 810 of cooling plate housing 800.
  • Cooling plate housing 800 includes bottom wall 820, top wall 822, side walls 824, 826, 828, 830, and inner walls 850, 852, 854, 856, 858, 860, 862, 864 866, 868, 870, 872, 874, 876, 878, 880, 882).
  • Bottom wall 820 extends substantially parallel to top wall 824.
  • Sidewalls 824, 826, 828, and 830 are coupled between the bottom wall 820 and the top wall 822 to set up the interior region 810.
  • the inner walls 850-882 are coupled between the lower wall 820 and the upper wall 822 and define a flow path from the inlet 802 to the outlet 804 in the interior region 810.
  • the external coolant supply device pumps a coolant through inlet 802 that flows through the inner region 810 of cooling plate housing 800 to outlet 804. Thereafter, the coolant exits to the outlet 804 and is returned to the external coolant supply device.
  • the cooling fins 106-120 transfer heat energy from the battery cells 50-80 to the cooling plate 124 which transfers heat energy into the coolant flowing through the cooling plate 124. As a result, the temperature level of the battery cells 50-80 is lowered and maintained within the desired temperature range.
  • the external refrigerant supply device supplies refrigerant through the inlet 802 through the inner region 810 of the cooling plate housing 800 to the outlet 804. Thereafter, the refrigerant exits to the outlet 804 and is returned to the external refrigerant supply device.
  • the cooling fins 106-120 transfer heat energy from the battery cells 50-80 to the cooling plate 124 which transfers heat energy into the refrigerant flowing through the cooling plate 124. As a result, the temperature level of the battery cells 50-80 is lowered and maintained within the desired temperature range.
  • battery cells 50-80 are configured to generate operating voltages.
  • the battery cells 50-80 are electrically connected in series using interconnecting boards 100, 102. Since each of the battery cells 50-80 has the same structure, only the structure of the battery cells 62, 64 will be described in greater detail below.
  • the battery cell 64 includes a housing 400 and first and second electrical terminals 404 and 406.
  • the housing 400 is configured to hold an active material therein configured to generate an operating voltage at the first and second electrical terminals 404, 406.
  • the housing 400 is made of plastic and is a substantially rectangular pouch shaped housing.
  • the housing 400 extends along the first axis 410 in the longitudinal direction and along the second axis 412 in the vertical direction.
  • the second axis 412 is substantially parallel to the first axis 410.
  • the housing 400 has a main body 420, an edge 422, a first end 431, a second end 432, a third end 433, and a fourth end 434.
  • the body portion 420 fastens therein a lithium ion active material configured to generate a voltage between the first and second electrical terminals 404, 406.
  • the main body 420 is a substantially rectangular main body, and the edge 422 extends along the outer periphery of the substantially rectangular main body.
  • the first and second ends 431, 432 extend substantially parallel to the first axis 410.
  • the third and fourth ends 433 and 434 extend substantially parallel to the second axis 412.
  • the sum of the lengths of the housing 400 and the electrical terminals 404, 406 in a direction parallel to the first axis 410 (eg, length B1) is determined by the housing (in a direction parallel to the second axis 412). At least twice as long as the length (eg, length A1).
  • the first electrical terminal 404 extends outward from the third end 433 of the housing 400 in a direction substantially parallel to the first axis 410.
  • the first electrical terminal 404 includes first and second edges 451, 452 extending substantially parallel to the first axis 410.
  • the first edge 451 of the first electrical terminal 404 is located closer to the first end 431 of the housing 400 than the second edge 452 of the first electrical terminal 404.
  • the distance from the second end 432 of the housing 400 to the second edge 452 of the first electrical terminal 404 is determined from the first end 431 of the housing 400.
  • One greater than the distance to the first edge 451 of the electrical terminal 404 eg, D1.
  • the distance from the second end 432 of the housing 400 to the second edge 452 of the first electrical terminal 404 is the first end 431 of the housing 400. At least twice as far as the distance from to the first edge 451 of the first electrical terminal 404.
  • the second electrical terminal 406 extends outward from the fourth end 434 of the housing 400 in a direction substantially parallel to the first axis 410.
  • the second electrical terminal 406 includes first and second edges 461 and 462 extending substantially parallel to the first axis 410.
  • the first edge 461 of the second electrical terminal 406 is located closer to the first end 431 of the housing 400 than the second edge 462 of the second electrical terminal 406.
  • the distance from the second end 432 of the housing 400 to the second edge 462 of the second electrical terminal 406 is determined from the first end 431 of the housing 400. 2 is greater than the distance to first edge 461 of electrical terminal 406 (eg, D2).
  • the distance from the second end 432 of the housing 400 to the second edge 462 of the second electrical terminal 406 is the first end 431 of the housing 400. At least twice as far as the distance from to the first edge 461 of the second electrical terminal 406.
  • the battery cell 62 includes a housing 500 and first and second electrical terminals 504 and 506.
  • the housing 500 is configured to hold an active material therein configured to generate an operating voltage at the first and second electrical terminals 504, 506.
  • the housing 500 is made of plastic and is a substantially rectangular pouch shaped housing.
  • the housing 500 extends along the first axis 510 in the longitudinal direction and along the second axis 512 in the vertical direction.
  • the second axis 512 is substantially parallel to the first axis 510.
  • the housing 500 has a first end 531, a second end 532, a third end 533, and a fourth end 534.
  • the first and second ends 531, 532 extend substantially parallel to the first axis 510.
  • the third and fourth ends 533, 534 extend substantially parallel to the second axis 512.
  • the sum of the lengths of the housing 500 and the electrical terminals 504, 506 in a direction parallel to the first axis 510 is determined by the housing (in a direction parallel to the second axis 512). At least twice as long as the length (eg, length A3).
  • the first electrical terminal 504 extends outward from the third end 533 of the housing 500 in a direction substantially parallel to the first axis 510.
  • the first electrical terminal 504 includes first and second edges 551, 552 extending substantially parallel to the first axis 510.
  • the first edge 551 of the first electrical terminal 504 is located closer to the first end 531 of the housing 500 than the second edge 552 of the first electrical terminal 504.
  • the distance from the second end 532 of the housing 500 to the second edge 552 of the first electrical terminal 504 is determined from the first end 531 of the housing 500.
  • One greater than the distance to the first edge 551 of the electrical terminal 504 eg, D3.
  • the distance from the second end 532 of the housing 500 to the second edge 552 of the first electrical terminal 504 is the first end 531 of the housing 500. At least twice as far as the distance from to the first edge 551 of the first electrical terminal 504.
  • the second electrical terminal 506 extends outward from the fourth end 534 of the housing 500 in a direction substantially parallel to the first axis 510.
  • the second electrical terminal 506 includes first and second edges 561, 562 extending substantially parallel to the first axis 510.
  • the first edge 561 of the second electrical terminal 506 is located closer to the first end 531 of the housing 500 than the second edge 562 of the second electrical terminal 506.
  • the first edge 561 of the second electrical terminal 506 extends substantially in line with the first edge 551 of the first electrical terminal 504.
  • the second edge 562 of the second electrical terminal 506 extends substantially in line with the second edge 552 of the first electrical terminal 504.
  • the distance from the second end 532 of the housing 500 to the second edge 562 of the second electrical terminal 506 is determined from the first end 531 of the housing 500. 2 is greater than the distance to the first edge 561 of the electrical terminal 506 (eg, D4).
  • the distance from the second end 532 of the housing 500 to the second edge 562 of the second electrical terminal 506 is the first end 531 of the housing 500. At least twice as far as the distance from to the first edge 561 of the second electrical terminal 506.
  • the second edges of the first electrical terminals of) are coplanar with each other.
  • the second edge 452 of the first electrical terminal 404 of the battery cell 64 is such that it is formed between the plane 499 (shown in FIG. 6) extending through the second ends of the battery cell 62. Is coplanar with the second edge 552 of the first electrical terminal 504 of
  • the second edge 462 of the second electrical terminal 406 of the battery cell 64 is formed between the plane 499 (shown in FIG. 6) extending through the second ends of the battery cell 62. It is located on the same plane as the second edge 562 of the first electrical terminal 506.
  • the interconnect board 100 is coupled to the frame members in the first open area 110 and electrically connects the battery cells 50-80 to each other. In one embodiment, the interconnect board 100 electrically connects the battery cells 50-80 to each other in series. In another embodiment, the interconnect board 100 connects the battery cells 50-80 in parallel to each other. Furthermore, interconnect board 100 includes a microprocessor that monitors operational parameters of battery cells 50-80.
  • the interconnect board 102 is coupled to the frame members in the second open area 120 and electrically connects the battery cells 50-80 to each other. In one embodiment, the interconnect board 102 electrically connects the battery cells 50-80 in series with each other. In another embodiment, the interconnect board 102 connects the battery cells 50-80 in parallel to each other. Furthermore, interconnect board 102 includes a microprocessor that monitors operating parameters of battery cells 50-80.
  • the battery module described herein provides a substantial advantage over other battery modules. Specifically, the battery module provides a technical effect of an improved arrangement of electrical terminals such that the battery module has open areas for receiving interconnecting boards therein. Furthermore, the battery module uses a cooling plate disposed adjacent to electrical terminals of at least one battery cell in the battery module for improved heat dissipation from the battery module.
  • the battery module according to the present invention not only enables an improved arrangement of electrical devices such as an interconnecting board than other battery modules by effectively arranging electrical terminals, but also by arranging a cooling plate adjacent to the electrical terminals. There is an effect to effectively dissipate the heat energy from the.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
PCT/KR2015/001739 2014-02-25 2015-02-24 전지모듈 WO2015130057A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201580009851.5A CN106030896B (zh) 2014-02-25 2015-02-24 电池模块
EP15755619.2A EP3096391B1 (de) 2014-02-25 2015-02-24 Batteriemodul
JP2016553301A JP6423890B2 (ja) 2014-02-25 2015-02-24 電池モジュール

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/189,071 2014-02-25
US14/189,071 US9172122B2 (en) 2014-02-25 2014-02-25 Battery module

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Publication Number Publication Date
WO2015130057A1 true WO2015130057A1 (ko) 2015-09-03

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EP (1) EP3096391B1 (de)
JP (1) JP6423890B2 (de)
KR (1) KR101606456B1 (de)
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WO (1) WO2015130057A1 (de)

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JP6423890B2 (ja) 2018-11-14
US20150244043A1 (en) 2015-08-27
CN106030896A (zh) 2016-10-12
CN106030896B (zh) 2018-06-08
EP3096391A4 (de) 2016-12-07
EP3096391A1 (de) 2016-11-23
US9172122B2 (en) 2015-10-27
KR20150100471A (ko) 2015-09-02
EP3096391B1 (de) 2017-09-13
JP2017506424A (ja) 2017-03-02
KR101606456B1 (ko) 2016-03-25

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